The Bosch GDV 18 V-LI 18 V Impact Driver is the first 18 Voltimpact driver with a flexible battery system. Allowing you tochoose between Premium (longer battery runtime) and Compact (lessweight for even more comfortable work) batteries. It has a hightorque and high impact rate (3,200/bpm) for fast work progress whendriving screws in metal (up to M14) and wood. Its very short designis perfect for handling, even in the tightest spaces andoverhead.